Finding the Fourth Proportional to 42,877.60, 59,174.22 and 25,886.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,877.60 : 59,174.22 = 25,886.02 : x
2. Step 2: Convert to fraction form
   42,877.60/59,174.22 = 25,886.02/x
3. Step 3: Cross multiply
   42,877.60x = 59,174.22 × 25,886.02
4. Step 4: Simplify right side
   42,877.60x = 1,531,785,042.40
5. Step 5: Solve for x
   x = 1,531,785,042.40/42,877.60
6. Step 6: Final answer
   x = 35,724.60